diff --git a/nx-X11/programs/Xserver/hw/nxagent/Screen.c b/nx-X11/programs/Xserver/hw/nxagent/Screen.c
index 0bec95ac1a..d8daed20b6 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Screen.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Screen.c
@@ -3698,85 +3698,6 @@ static Bool intersect(int ax1, int ay1, unsigned int aw, unsigned int ah,
     return TRUE;
 }
 
-#ifndef NXAGENT_RANDR_XINERAMA_CLIPPING
-/* intersect two rectangles, return aw/ah for w/h if resulting
-   rectangle is (partly) outside of bounding box */
-static Bool intersect_bb(int ax1, int ay1, unsigned int aw, unsigned int ah,
-	       int bx1, int by1, unsigned int bw, unsigned int bh,
-	       int bbx1, int bby1, int bbx2, int bby2,
-	       int *x, int *y, unsigned int *w, unsigned int *h)
-{
-
-  #ifdef DEBUG
-  fprintf(stderr, "intersect_bb: session window: ([%d],[%d]) [ %d x %d ]\n", ax1, ay1, aw, ah);
-  fprintf(stderr, "intersect_bb: crtc: ([%d],[%d]) [ %d x %d ]\n", bx1, by1, bw, bh);
-  fprintf(stderr, "intersect_bb: bounding box: ([%d],[%d]) [ %d x %d ]\n", bbx1, bby1, bbx2-bbx1, bby2-bby1);
-  #endif
-
-  Bool result = intersect(ax1, ay1, aw, ah, bx1, by1, bw, bh, x, y, w, h);
-
-  if (result == TRUE) {
-
-    /*
-     * ###### The X-Coordinate ######
-     */
-
-    /* check if outside-left of bounding box */
-    if (bx1 == bbx1 && ax1 < bbx1) {
-
-        *w += bbx1 - ax1;
-        *x  = 0;
-
-        #ifdef DEBUG
-        fprintf(stderr, "intersect_bb: session box is outside-left of the bounding box - width gets adapted to [%d]\n", *w);
-        #endif
-
-
-    }
-
-     /* check if outside-right of bounding box */
-    if (bx1 + bw == bbx2 && ax1 + aw > bbx2) {
-
-        *w += ax1 + aw - bbx2;
-
-        #ifdef DEBUG
-        fprintf(stderr, "intersect_bb: session box is outside-right of the bounding box - width gets adapted to [%d]\n", *w);
-        #endif
-
-    }
-
-    /*
-     * ###### The Y-Coordinate ######
-     */
-
-    /* check if outside-above of bounding box */
-    if (by1 == bby1 && ay1 < bby1) {
-
-        *h += bby1 - ay1;
-        *y  = 0;
-
-        #ifdef DEBUG
-        fprintf(stderr, "intersect_bb: session box is outside-above of the bounding box - height gets adapted to [%d]\n", *h);
-        #endif
-
-    }
-
-     /* check if outside-below of bounding box */
-    if (by1 + bh == bby2 && ay1 + ah > bby2) {
-
-        *h += ay1 + ah - bby2;
-
-        #ifdef DEBUG
-        fprintf(stderr, "intersect_bb: session box is outside-below of the bounding box - height gets adapted to [%d]\n", *h);
-        #endif
-
-    }
-
-  }
-  return result;
-}
-#endif
-
 RRModePtr    nxagentRRCustomMode = NULL;
 
 /*